In Badugi, standing pat (drawing zero) after the first draw often represents a made four-card badugi. Calling down with a rough three-card hand vs a pat player is how your buddy donates.
'Pat early usually means a badugi' (Badugi, G1): Pat Badugis get respect until notes say otherwise. Hero-calling with rough three-cards into double pats is how rolls evaporate.